These links certainly seem to think so:
- “[He] tacked to the far right in his Senate votes and his rhetoric.” HuffPost
- “Rubio Turns Hard Right” The Atlantic
- “Here are seven ways Rubio is far more extreme than other candidates” ThinkProgress
- “Marco Rubio’s support for a far-right candidate is unsurprising to anyone who has watched his career from the beginning. As a perpetual hypocrite, Rubio has a solid record of doing and saying anything that will advance his own personal interests.” HuffPost
- “Meet Marco Rubio’s Far-Right Neocon Donors… [He] has proven himself a reliable ally of hardline supporters of Israel…” The Nation
- “This man is a wingnut: Why Marco Rubio is as extreme as the rest of the lot” Salon
- “[He] is a reflexive military interventionist with appalling judgment” The American Conservative
Resistance Is Fertile 